Jobs and Careers
JL

Operating Engineer

JLL
United Statesfull_timeVerifiedPosted 6 Apr 2026

About the role

JLL empowers you to shape a brighter way.  

Our people at JLL are shaping the future of real estate for a better world by combining world class services, advisory and technology for our clients. We are committed to hiring the best, most talented people and empowering them to thrive, grow meaningful careers and to find a place where they belong.  Whether you’ve got deep experience in commercial real estate, skilled trades or technology, or you’re looking to apply your relevant experience to a new industry, join our team as we help shape a brighter way forward.   

Operating Engineer – JLL

What this job involves: As an Operating Engineer at JLL, you will play a critical role in ensuring the reliable operation, maintenance, and repair of complex building systems and infrastructure. This position supports JLL’s commitment to operational excellence by maintaining high-performing, safe, and compliant facilities while minimizing service interruptions. You will work with advanced mechanical, electrical, and utility systems in a mission-critical environment, responding to both routine and emergency situations to ensure uninterrupted operations and outstanding client service.

What your day-to-day will look like:

  • Inspect, monitor, and analyse building equipment and systems; diagnose malfunctions and perform corrective actions to minimize downtime

  • Execute preventive, predictive, and corrective maintenance activities on boilers, chillers, HVAC systems, and related building infrastructure

  • Perform scheduled tours of boiler plants, chiller plants, lab utilities, cooling towers, generators, switchgear rooms, air handling units, steam stations, and condensate return systems

  • Respond to emergencies during assigned shifts, including after-hours, and take independent corrective action while maintaining required watch duties

  • Oversee or coordinate daily operations and maintenance activities performed by JLL staff and/or contractors; provide guidance and mentoring as needed

  • Review and complete work orders, logs, and documentation to ensure accuracy and proper entry into the CMMS

  • Maintain engineering and electrical spaces in a clean, safe, and organized condition at all times

  • Ensure strict adherence to safety, environmental, OSHA, building code, and JLL policy requirements for all work performed on site

Required Qualifications:

  • High school diploma or equivalent

  • Completion of trade schooling in electrical systems, refrigeration, or HVAC (minimum two years)

  • Minimum of 5 years of experience in facility or plant engineering maintenance, including HVAC, plumbing, and electrical systems

  • Proven ability to operate and maintain boilers, chillers, HVAC equipment, and building infrastructure

  • Ability to respond to emergencies and work independently during after-hours shifts

  • Physically able to lift up to 50 lbs, work on ladders up to 28’, perform overhead work, and work in confined spaces

  • Proficiency with basic computer applications, including MS Office and email

Preferred Qualifications:

  • Previous supervisory or lead experience

  • Exposure to HVAC systems, fluid handling and pumping, filtration systems, welding, and mechanical systems

  • Experience operating high-pressure steam boilers and emergency generators

  • Familiarity with CMMS systems and maintenance documentation practices

  • Working knowledge of electrical systems engineering and operations

  • Experience working in laboratory, industrial, or mission-critical facilities

Location: Milwaukee, WI

This position does not provide visa sponsorship. Candidates must be authorized to work in the United States without sponsorship.

Location:

On-site –Milwaukee, WI

Job Tags:

Steam Lines, Steam Systems

If this job description resonates with you, we encourage you to apply, even if you don’t meet all the requirements.  We’re interested in getting to know you and what you bring to the table!


Personalized benefits that support personal well-being and growth:

JLL recognizes the impact that the workplace can have on your wellness, so we offer a supportive culture and comprehensive benefits package that prioritizes mental,

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Company

JLL

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